Grasslin Towerchron QM2 - QM2 Pumped System Wiring Diagrams; QM2 3 Port Valve System Wiring

18
Fully Pumped System using 2 Port Spring
Return
Fully Pumped System using 3 Port
Mid-Position Valve
TOWERCHRON QM2
EARTH
NEUTRAL
LINE
HEATING VALVE
HOT WATER VALVE
ROOMSTAT
CYLINDERSTAT
PUMP
BOILER
EARTH
NEUTRAL
COMMON
DEMAND
GREEN/YELLOW
BLUE
BROWN
WHITE or GREY
BLACK or ORANGE
GREEN/YELLOW
BLUE
BROWN
WHITE or GREY
BLACK or ORANGE
EARTH
COMMON
SATISFIED
DEMAND
LINE
NEUTRAL
EARTH
SWITCHED LIVE
REFER TO BOILER
MANUFACTURER
INSTRUCTIONS
N
E
220-240V
50HZ
main fused
3 AMP
L 1 2 3 4
N
N
N
N
TOWERCHRON QM2
EARTH
NEUTRAL
LINE
MID-POSITION VALVE *
ROOMSTAT
CYLINDERSTAT
PUMP
BOILER
EARTH
NEUTRAL
COMMON
DEMAND
GREEN/YELLOW
BLUE
WHITE or BROWN
GREY
ORANGE
EARTH
COMMON
SATISFIED
DEMAND
LINE
NEUTRAL
EARTH
SWITCHED LIVE
REFER TO BOILER
MANUFACTURER
INSTRUCTIONS
N
E
220-240V
50HZ
main fused
3 AMP
L 1 2 3 4
N
N
N
* TOWER MP322C
ACL 697B340
DRAYTON FLOW SHARE 2
HONEYWELL V4073A
LANDIS & GYR SK 3L
SUN VIC SD 1701